using System;

using System.Text;

public class Program

{

    public static void Main()

    {

        ////provide the environment url

        string baseUrl = "https://selfservedit.azurewebsites.net";

        ////provide the parter id

        int partnerId = 457;

        string url = string.Format("partner&partner={0}&question=11&config=1", partnerId);

        var toBytes = System.Text.Encoding.UTF8.GetBytes(url);

        var encodedStrinng =  System.Convert.ToBase64String(toBytes);

        Console.WriteLine("{0}/?redirect={1}", baseUrl,encodedStrinng);

        //// Sample url

        //// https://localhost:44326/?redirect=cGFydG5lciZwYXJ0bmVyPTImcXVlc3Rpb249MTE=

    }

}